Recent questions tagged Android

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android - How to change the track color of a SwitchCompat

I've tried using the following link to change the color of a SwitchCompat: How to change the color of a ... @color/second</item> ...> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Difference between extending LifecycleActivity,Activity,ActionbarActivity & AppCompactActivity?

In Android what is the main difference between extending Lifecycler Activity, Activity,ActionBarActivity & AppCompactActivity? ... of usage? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - GenyMotion Unable to start the Genymotion virtual device

When I run Genymotion, I get the following error: Unable to start the Genymotion virtual device. Unable to configure ... How can I fix that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Migration from GCM to FCM needed?

Google just announced that Google Cloud Messaging is now Firebase Cloud Messaging. What does this mean for existing ... if any) are needed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Custom designing EditText

I have custom designed EditText search_page.xml <LinearLayout android:layout_width="fill_parent" android:layout_height=" ... achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Change ViewPager animation duration when sliding programmatically

I'm changing slide with the following code: viewPager.setCurrentItem(index++, true); But it changes too fast ... manually the animation speed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - apply selectableItemBackground in xml with support v7

even with android support v7 included in my application adding android:background="?android:attr/selectableItemBackground" ... not a solution See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Fragment or Support Fragment?

I am developing an app that supports Android >= 4.0. It uses fragments from the android.app package. As I ... , when developing for Android 4? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - AlarmManager not working in several devices

My app uses AlarmManager and it has been working since 4 years ago. But I noticed it started failing in ... here: https://dontkillmyapp.com/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Padding between ActionBar's home icon and title

Does anybody know how to set padding between the ActionBar's home icon and the title? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Clearing intent

My Android app is getting called by an intent that is passing information (pendingintent in statusbar). When I hit ... it has been used before? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android TextView: setting the background color dynamically doesn't work

Setting the background color programatically of an android TextView doesn't seem to work. I'm I missing something! ... .setText("My Text"); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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334 views

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android - How to generate buildConfigField with String type

In my Android Studio project there are two build configuration with some buildConfigField: buildTypes { def SERVER_URL ... resolve this issues. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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android - Change status bar color with AppCompat ActionBarActivity

In one of my Activities, I changed the Toolbar color using Palette. But on 5.0 devices using ... bar color with ActionBarActivity? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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379 views

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android - Missing styles. Is the correct theme chosen for this layout?

Missing styles. Is the correct theme chosen for this layout? Use the Theme combo box above the layout to choose a ... "> </style> </resources> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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288 views

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android - Custom PreferenceCategory Headings

I have a simple preference screen defined like this <PreferenceScreen xmlns:android="http://schemas.android ... the PreferenceCategory heading? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

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android - Is it possible to allocate these folders in another place?

I am installing Android Studio and I have by default the path C:UsersAdministratorAppDataLocalAndroidsdk to set my SDK. ... . Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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227 views

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android - Multiple bluetooth connection

I want to connect 3 devices via bluetooth (My Droid must connect to 2 bluetooth devices). I 've connected my ... ? Could you help me please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

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android - How To Create Topic in FCM Notifications

I'm trying Firebase-Notification API the service is worked perfect when i send downstream message from console to ... up in Firebase Console See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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537 views

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android - the item you requested is not available for purchase

I'm trying to integrate Android Market in-app purchases into my app, but unfortunately coming across an ... thoughts would be appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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231 views

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android - Filter output in logcat by tagname

I'm trying to filter logcat output from a real device (not an emulator) by tag name but I get all the messages ... . Here it is what I get: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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262 views

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android - format statement in a string resource file

I have strings defined in the usual strings.xml Resource file like this: <string name="hello_world"> HELLO</ ... characters but its not working. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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216 views

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android - Firebase JobDispatcher - how does it work compared to previous APIs (JobScheduler and GcmTaskService)?

Background Google has multiple solutions for job/task scheduling, such as JobScheduler and GcmTaskService. Each has its ... of the functions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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256 views

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android - Save sensitive data in React Native

I am building a React Native application and I need to save some sensitive data like a token and a ... use the AsyncStorage methods provided? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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android - When exactly are onSaveInstanceState() and onRestoreInstanceState() called?

The following figure (from the official doc) describes the well-known lifecycle of an Android activity: On the ... methods, if that exists. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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615 views

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android - java.lang.IllegalStateException: Fragment not attached to Activity

I am rarely getting this error while making an API call. java.lang.IllegalStateException: Fragment not attached to Activity I ... (); } } }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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366 views

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android - TabLayout tab selection

How should I select a tab in TabLayout programmatically? TabLayout tabLayout = (TabLayout) findViewById(R. ... .setupWithViewPager(viewPager); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

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android - How to listen for preference changes within a PreferenceFragment?

As described here, I am subclassing PreferenceFragment and displaying it inside an Activity. That document explains ... within the Activity? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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